[프로그래머스/Java] 2 x n 타일링

-Code

class Solution {
    public int solution(int n) {
        int[] dp = new int[n + 1];
        dp[1] = 1;
        dp[2] = 2;

        for (int i = 3; i <= n; i++) {
            dp[i] = (dp[i - 2] + dp[i - 1]) % 1000000007;
        }
        return dp[n];
    }
}